CN205079709U - Wind power plant rotor magnetic pole external diameter measuring device is directly driven to electricity excitation - Google Patents
Wind power plant rotor magnetic pole external diameter measuring device is directly driven to electricity excitation Download PDFInfo
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- CN205079709U CN205079709U CN201520816825.0U CN201520816825U CN205079709U CN 205079709 U CN205079709 U CN 205079709U CN 201520816825 U CN201520816825 U CN 201520816825U CN 205079709 U CN205079709 U CN 205079709U
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- magnetic pole
- rotor magnetic
- external diameter
- measuring device
- diameter measuring
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Abstract
The utility model discloses a wind power plant rotor magnetic pole external diameter measuring device is directly driven to electricity excitation, it includes spider, spider's periphery fixed mounting has a plurality of rotor magnetic pole, wherein, the last solid of revolution that is provided with with one heart of spider, rotationally be provided with the rocking arm on the solid of revolution, the one end of rocking arm is provided with the counter weight arm, and the other end is provided with downwardly extending extremely the measuring seat in the rotor magnetic pole outside, at least, be provided with a percentage table on the measuring seat, the cooperation the percentage table in the measurement board is installed to the inboard of measuring seat, during the measurement, the measuring head of percentage table stretches out measure the board and support lean on in on the rotor magnetic pole. Above -mentioned wind power plant rotor magnetic pole external diameter measuring device is directly driven to electricity excitation not only measurement accuracy is high, and rotor diameter measurement accuracy can reach 0.01mm everywhere, and measurement of efficiency is high, can conveniently measure and count during the measurement.
Description
Technical field
The utility model belongs to aerogenerator subsidiary technology, particularly relates to a kind of electric excitation direct driving wind driven generator rotor magnetic pole external diameter measuring device.
Background technology
Between motor stator and rotor, have individual small air gap, this air gap value must be tightly controlled, if air gap value is too small, operationally, stator and rotor may rub motor, are commonly called as " sweeping hall "; Air gap is excessive, then can affect efficiency and the power stage of motor, and therefore in design of electrical motor, air gap value deviation General Requirements controls within 10%.Motor gas-gap value affects by three factors, stator core internal diameter, rotor diameter, stator and rotor concentricity, and only have these three factors all to control in the scope required, the air gap value of motor just can meet design requirement.
General motor is compared in the measurement of electricity excitation direct driving wind driven generator rotor diameter following different feature: 1) diameter is large.General direct wind-driven generator rotor diameter all will reach more than 5 meters, accurately measures outside dimension large like this, is very difficult, is also difficult to find suitable measurer.2) number of magnetic poles is many, and measuring amount is large.Every platform rotor almost has up to a hundred magnetic poles nearly, due to, each magnetic pole is independent assembling, and size is all different, so each magnetic pole must independent measurement.3) radius value of each magnetic pole to rotor centre of gyration must be measured, after being multiplied by 2, obtain diameter value.If the distance directly measuring two opposing polarities, as diameter, can not obtain the diameter value of single magnetic pole reality.
Utility model content
The purpose of this utility model is to provide a kind of electric excitation direct driving wind driven generator rotor magnetic pole external diameter measuring device, it has the advantages that measuring accuracy is high and measurement efficiency is high, to solve the problems referred to above that in prior art, electric excitation direct driving wind driven generator rotor magnetic pole outside diameter measuring exists.
For reaching this object, the utility model by the following technical solutions:
A kind of electric excitation direct driving wind driven generator rotor magnetic pole external diameter measuring device, it comprises rotor field spider, the periphery of described rotor field spider is installed with several rotor magnetic poles, wherein, described rotor field spider is provided with solid of revolution with one heart, described solid of revolution is provided with pivoted arm rotationally, one end of described pivoted arm is provided with weight arm, the other end is provided with the measuring seat extended downward outside described rotor magnetic pole, described measuring seat is at least provided with a dial gauge, coordinate described dial gauge, in the inner side of described measuring seat, measurement plate is installed, during measurement, the measuring head of described dial gauge stretches out described measurement plate and is resisted against on described rotor magnetic pole.
Especially, described solid of revolution comprises the rotary table on the seam of the central tube being fixed on described rotor field spider, the center of described rotary table is provided with outer cylinder body, rotating shaft is provided with rotationally by bearing in described outer cylinder body, described pivoted arm is fixed in described rotating shaft, the centre of gyration of described rotating shaft and the center superposition of rotor field spider.
Especially, on described measuring seat along short transverse and the upper and lower end of corresponding described rotor magnetic pole is installed with two dial gauges.
Especially, described pivoted arm is fixed in described rotating shaft by tapered sleeve.
Especially, described rotor magnetic pole is fixed on described rotor field spider by set bolt and nut.
The beneficial effects of the utility model are, compared with prior art described electric excitation direct driving wind driven generator rotor magnetic pole external diameter measuring device carries out 360 ° of convolution measurements by pivoted arm, can measure the accurate distance of rotor magnetic pole rotor center quickly and easily.Not only measuring accuracy is high, and rotor diameter measuring accuracy can reach 0.01mm everywhere; And it is high to measure efficiency, can be convenient for measuring and count during measurement.
Accompanying drawing explanation
Fig. 1 is the structural representation of the electric excitation direct driving wind driven generator rotor magnetic pole external diameter measuring device that the utility model embodiment 1 provides;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is the partial enlarged drawing at B place in Fig. 1.
In figure:
1, rotor field spider; 2, rotor magnetic pole; 3, rotary table; 4, outer cylinder body; 5, rotating shaft; 6, tapered sleeve; 7, pivoted arm; 8, weight arm; 9, measuring seat; 10, dial gauge; 11, plate is measured.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
Refer to shown in Fig. 1 to Fig. 3, in the present embodiment, a kind of electric excitation direct driving wind driven generator rotor magnetic pole external diameter measuring device comprises the rotor field spider 1 as wind power generator rotor supporter, the periphery of described rotor field spider 1 passes through bolt, nut is installed with several rotor magnetic poles 2, described rotor field spider 1 is provided with solid of revolution with one heart, described solid of revolution comprises the rotary table 3 on the seam of the central tube being fixed on described rotor field spider 1, the center of described rotary table 3 is provided with outer cylinder body 4, rotating shaft 5 is provided with rotationally by deep groove ball bearing in described outer cylinder body 4, described rotating shaft 5 is fixed with pivoted arm 7 by tapered sleeve 6, the centre of gyration of described rotating shaft 5 and the center superposition of rotor field spider 1.
One end of described pivoted arm 7 is provided with weight arm 8, counterweight is used, make whole measurement mechanism more stable, the other end is provided with the measuring seat 9 extended downward outside described rotor magnetic pole 2, along short transverse and the upper and lower end of corresponding described rotor magnetic pole 2 is installed with the dial gauge 10 that two strokes are 10mm on described measuring seat 9.Coordinate described dial gauge 10 to be provided with in the inner side of described measuring seat 9 and measure plate 11, during measurement, the measuring head of described dial gauge 10 stretches out described measurement plate 11 and is resisted against on described rotor magnetic pole 2.
Before using, regulate dial gauge 10 position, measure the measuring head of dial gauge 10 and stretch out the distance measuring plate 11, be i.e. the size of L in Fig. 3, and stir dial gauge 10 display panel, make pointer aim at " 0 ".By processing and precision measurement, obtain measuring plate 11 distance to solid of revolution center, i.e. the size of R in Fig. 1.
During measurement, rotate pivoted arm 7, just can measure the distance of circumferentially all rotor magnetic pole 2 to rotor centers easily, if dial gauge reading is 0.25mm.Then actual range is: R-L+0.25 (mm), then is multiplied by the rotor diameter that 2 can obtain this rotor magnetic pole 2 place.
Above embodiment has just set forth ultimate principle of the present utility model and characteristic; the utility model does not limit by above-mentioned example; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various change and change, and these changes and change all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. electric excitation direct driving wind driven generator rotor magnetic pole external diameter measuring device, it comprises rotor field spider, the periphery of described rotor field spider is installed with several rotor magnetic poles, it is characterized in that, described rotor field spider is provided with solid of revolution with one heart, described solid of revolution is provided with pivoted arm rotationally, one end of described pivoted arm is provided with weight arm, the other end is provided with the measuring seat extended downward outside described rotor magnetic pole, described measuring seat is at least provided with a dial gauge, coordinate described dial gauge, in the inner side of described measuring seat, measurement plate is installed, during measurement, the measuring head of described dial gauge stretches out described measurement plate and is resisted against on described rotor magnetic pole.
2. electric excitation direct driving wind driven generator rotor magnetic pole external diameter measuring device according to claim 1, it is characterized in that, described solid of revolution comprises the rotary table on the seam of the central tube being fixed on described rotor field spider, the center of described rotary table is provided with outer cylinder body, rotating shaft is provided with rotationally by bearing in described outer cylinder body, described pivoted arm is fixed in described rotating shaft, the centre of gyration of described rotating shaft and the center superposition of rotor field spider.
3. electric excitation direct driving wind driven generator rotor magnetic pole external diameter measuring device according to claim 1, is characterized in that, along short transverse and the upper and lower end of corresponding described rotor magnetic pole is installed with two dial gauges on described measuring seat.
4. electric excitation direct driving wind driven generator rotor magnetic pole external diameter measuring device according to claim 2, it is characterized in that, described pivoted arm is fixed in described rotating shaft by tapered sleeve.
5. electric excitation direct driving wind driven generator rotor magnetic pole external diameter measuring device according to claim 1, it is characterized in that, described rotor magnetic pole is fixed on described rotor field spider by set bolt and nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816825.0U CN205079709U (en) | 2015-10-20 | 2015-10-20 | Wind power plant rotor magnetic pole external diameter measuring device is directly driven to electricity excitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816825.0U CN205079709U (en) | 2015-10-20 | 2015-10-20 | Wind power plant rotor magnetic pole external diameter measuring device is directly driven to electricity excitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205079709U true CN205079709U (en) | 2016-03-09 |
Family
ID=55432112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520816825.0U Expired - Fee Related CN205079709U (en) | 2015-10-20 | 2015-10-20 | Wind power plant rotor magnetic pole external diameter measuring device is directly driven to electricity excitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205079709U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462132A (en) * | 2017-06-29 | 2017-12-12 | 重庆大唐国际彭水水电开发有限公司 | A kind of measurement apparatus and method of the absolute radius of hydraulic generator rotor |
-
2015
- 2015-10-20 CN CN201520816825.0U patent/CN205079709U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462132A (en) * | 2017-06-29 | 2017-12-12 | 重庆大唐国际彭水水电开发有限公司 | A kind of measurement apparatus and method of the absolute radius of hydraulic generator rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20181020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |